diff --git a/system/lan/indonesia/common.lan.php b/system/lan/indonesia/common.lan.php
index a3710afb..fe3ad38f 100644
--- a/system/lan/indonesia/common.lan.php
+++ b/system/lan/indonesia/common.lan.php
@@ -304,3 +304,5 @@ $_L['Will_show_below_user_pages'] = 'Will show below user pages';
 $_L['Request_OTP'] = 'Request OTP';
 $_L['Verification_Code'] = 'Verification Code';
 $_L['SMS_Verification_Code'] = 'SMS Verification Code';
+$_L['Please_enter_your_email_address'] = 'Please enter your email address';
+$_L['Failed_to_create_Paypal_transaction'] = 'Failed to create Paypal transaction.';
diff --git a/ui/ui/app-settings.tpl b/ui/ui/app-settings.tpl
index de141b9a..c7539244 100644
--- a/ui/ui/app-settings.tpl
+++ b/ui/ui/app-settings.tpl
@@ -73,6 +73,7 @@
                                 value="{$_c['telegram_target_id']}" placeholder="12345678">
                         </div>
                     </div>
+                    <small id="emailHelp" class="form-text text-muted">You will get Payment and Error notification</small>
                 </div>
                 <div class="panel-heading">SMS OTP Registration</div>
                 <div class="panel-body">
@@ -85,6 +86,7 @@
                             </p>
                         </div>
                     </div>
+                    <small id="emailHelp" class="form-text text-muted">You can use WhatsApp in here too. <a href="https://wa.nux.my.id/login" target="_blank">Free Server</a></small>
                 </div>
                 <div class="panel-heading">Whatsapp Notification</div>
                 <div class="panel-body">